Abstract

INTRODUCTION

This report describes the development and application of a seismic method of procedure for making studies of submarine geology. Any new tool for gaining information about the submerged portion of the earth’s crust would be noteworthy because few such tools are available. The present method merits additional consideration because its findings are directly translatable into such concrete terms as depth to certain horizons in the rocks and the elastic constants of the rocks.

In the seismic method, elastic waves, which are produced by means of explosives, travel through the upper layers of the earth to seismographs or geophones, which serve to measure the travel-time of the waves. In the seismic reflection method, the elastic waves studied are those that have gone almost directly downward and have returned to the surface as echoes from subterranean discontinuities. In the seismic refraction method, the waves studied are those that have penetrated to . . .

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